If the tongue is yellow, thick and greasy with teeth marks, you can take Gentian Diarrhea Liver Pill under the guidance of doctor’s diagnosis. Yellow and greasy tongue moss with teeth marks, teeth marks tongue represents dampness evidence, while yellow and greasy moss is because dampness flourishes and turns into heat, so this type of tongue represents internal dampness and heat, which needs to be cleared and dissolve dampness. Gentian Liver Pill is composed of gentian, chaihu, scutellaria, gardenia, zedoaria and mouton, etc. It has the efficacy of clearing the liver and gallbladder and inducing dampness and heat, and can be used for the treatment of dizziness and redness of eyes (lightheadedness and redness of the eyes) due to dampness-heat of the liver and gallbladder (dampness-heat evils are deposited in the liver and gallbladder), tinnitus and deafness, pain in the ears, and dystocia and bitterness of the mouth (pain in the area of dystocia and ribs and bitter mouth). The adverse reactions and contraindications of this product are not clear, pregnant women, the elderly and infirm, and people with loose stools should be cautious. It is recommended to use the drug under the supervision of a physician.